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CAN Calibration Protocol
       CAN calibration protocol, based on CAN bus calibration protocol.

Universal Measurement and Calibration Protocol
Universal test calibration protocols can be applied to many buses:
       •  XCP on CAN
       •  XCP on Ethernet
       •  XCP on FlexRay
       •  XCP on USB

 


       •  XCP/CCP is mainly used in the development and testing of control systems
       •  XCP/CCP users are control system or mechanical engineers
       •  XCP/CCP is also widely used in system verification and testing
       •  If XCP/CCP is not used, the c-code compiler and debugger will be used very frequently in the ECU software development
       •  With the XCP/CCP protocol, with the A2L file, you can change some parameters directly on the software, and the executor will give corresponding feedback.
       •  We used to be a single chip board, for example, if you want to modify the program inside, need to modify the code first, then compile debugging, generated hex or S19 file, and then write the program to burn into the microcontroller, in order to be complete program modification. But for complex ECU calibration is often need to modify the parameters, if every time modify parameters needs to be compiled in debug generated to download this a series of steps, it is very affect work efficiency, so the use of CCP and XCP calibration is very convenient.

Advantages
       •  When the ECU runs, the variables in the ECU memory can be recorded in real time;
       •  You can read and write the ECU variables directly, such as RPM, temperature, switch, and so on, instead of the original bytes and bits;
       •  Real-time change of variable values in ECU memory, changing ECU behavior and performance in real time, without recompiling the ECU program;
       •  In the calibration process, the data recording function can obtain and record the comprehensive data.

 


CCP primary functions
The CCP full name CAN Calibration Protocol (CAN Calibration Protocol) is an integral part of ASAM standard and belongs to the standard of ASAM MCD1a.
       •  Random access to RAM and ROM data in ECU
       •  Measurement data sampling
       •  Calibration data sampling and transmission
       •  Multiple ECU systems are handled simultaneously
       •  Flash programming
 

 


The CCP protocol adopts the main mode of communication, which can be divided into two types:
       •  Query (Polling) mode
       •  DAQ (Data Acquisition Command) mode

 
 
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